sushmainfy/helm-monitoring

helm-monitoring

Install Prometheus using helm:

Update dependencies for prometheus

cd  prometheus
helm dependency update
cd ../

Create prometheus namespace:

kubectl create namespace prometheus

Install prometheus using helm:

helm install prometheus prometheus \
	--namespace prometheus \
	--set alertmanager.persistentVolume.storageClass="gp2" \
	--set server.persistentVolume.storageClass="gp2" 

Check details:

kubectl get all -n prometheus

Change service type as LoadBalancer from ClusterIP:

kubectl edit svc prometheus-server -n prometheus

Check service of prometheus

kubectl get svc -n prometheus

Check promethus in webUI:

http://a4e29142a2b51463fac7d3238106d32b-896983688.us-east-1.elb.amazonaws.com/graph

Install Grafana using helm:

Create file with grafana.yaml name:

datasources:
  datasources.yaml:
    apiVersion: 1
    datasources:
    - name: Prometheus
      type: prometheus
      url: http://prometheus-server.prometheus.svc.cluster.local
      access: proxy
      isDefault: true

Update dependencies for grafana

cd grafana
helm dependency update
cd ../

Create namespe with grafana:

kubectl create namespace grafana 

Install grafana using below command:

helm install grafana grafana \
	--namespace  grafana \
	--set persistence.storageClassName="gp2" \
	--set persistence.enabled=true \
	--set adminPassword='admin123' \
	--values grafana.yaml \
	--set service.type=LoadBalancer

Check details:

kubectl get all -n grafana

Check service of grafana

kubectl get svc -n grafana

Credentials:

username: admin
password: admin123   

Cluster Monitoring Dashboard

For creating a dashboard to monitor the cluster:

• Click '+' button on left panel and select 'Import'.
• Enter 3119 dashboard id under Grafana.com Dashboard.
• Click 'Load'.
• Select 'Prometheus' as the endpoint under prometheus data sources drop down.
• Click 'Import'. This will show monitoring dashboard for all cluster nodes:

Pods Monitoring Dashboard

For creating a dashboard to monitor all the pods:

• Click '+' button on left panel and select ‘Import’.
• Enter 6417 dashboard id under Grafana.com Dashboard.
• Click 'Load'.
• Enter Kubernetes Pods Monitoring as the Dashboard name.
• Click change to set the Unique identifier (uid).
• Select 'Prometheus' as the endpoint under prometheus data sources drop down.s
• Click 'Import'.